Question

descompune in factori: va rog ajutatima​

Answer 1

e) x+y-z +a(x+y-z) = (x+y-z)(1+a)

f) (x-2)² -2(x-2) = (x-2)(x-2-2) = (x-2)(x-4)

g) x²(x+2) -4(x+2) = (x+2)(x²-4) = (x+2)(x-2)(x+2) = (x+2)²(x-2)

h) x²(x-5) - (x-5) = (x-5)(x²-1) = (x-5)(x-1)(x+1)